#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     | Website:  https://openfoam.org
#   \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# File
#     etc/config.sh/settings
#
# Description
#     Startup file for OpenFOAM
#     Sourced from OpenFOAM-<VERSION>/etc/bashrc
#
#------------------------------------------------------------------------------

# Set environment variables according to system type
export WM_ARCH=`uname -s`

case "$WM_ARCH" in
Linux)
    WM_ARCH=linux

    # Compiler specifics
    case `uname -m` in
        i686)
            export WM_ARCH_OPTION=32
            export WM_CC='gcc'
            export WM_CXX='g++'
            export WM_CFLAGS='-fPIC'
            export WM_CXXFLAGS='-fPIC -std=c++0x'
            export WM_LDFLAGS=
        ;;

    x86_64)
        case "$WM_ARCH_OPTION" in
        32)
            export WM_COMPILER_ARCH=64
            export WM_CC='gcc'
            export WM_CXX='g++'
            export WM_CFLAGS='-m32 -fPIC'
            export WM_CXXFLAGS='-m32 -fPIC -std=c++0x'
            export WM_LDFLAGS='-m32'
            ;;
        64)
            WM_ARCH=linux64
            export WM_COMPILER_LIB_ARCH=64
            export WM_CC='gcc'
            export WM_CXX='g++'
            export WM_CFLAGS='-m64 -fPIC'
            export WM_CXXFLAGS='-m64 -fPIC -std=c++0x'
            export WM_LDFLAGS='-m64'
            ;;
        *)
            echo "Unknown WM_ARCH_OPTION '$WM_ARCH_OPTION', should be 32 or 64"\
                 1>&2
            ;;
        esac
        ;;

    ia64)
        WM_ARCH=linuxIA64
        export WM_COMPILER=I64
        ;;

    armv7l)
        WM_ARCH=linuxARM7
        export WM_ARCH_OPTION=32
        export WM_COMPILER_LIB_ARCH=32
        export WM_CC='gcc'
        export WM_CXX='g++'
        export WM_CFLAGS='-fPIC'
        export WM_CXXFLAGS='-fPIC -std=c++0x'
        export WM_LDFLAGS=
        ;;

    ppc64)
        WM_ARCH=linuxPPC64
        export WM_COMPILER_LIB_ARCH=64
        export WM_CC='gcc'
        export WM_CXX='g++'
        export WM_CFLAGS='-m64 -fPIC'
        export WM_CXXFLAGS='-m64 -fPIC -std=c++0x'
        export WM_LDFLAGS='-m64'
        ;;

    ppc64le)
        WM_ARCH=linuxPPC64le
        export WM_COMPILER_LIB_ARCH=64
        export WM_CC='gcc'
        export WM_CXX='g++'
        export WM_CFLAGS='-m64 -fPIC'
        export WM_CXXFLAGS='-m64 -fPIC -std=c++0x'
        export WM_LDFLAGS='-m64'
        ;;

    *)
        echo Unknown processor type `uname -m` for Linux 1>&2
        ;;
    esac
    ;;

SunOS)
    WM_ARCH=SunOS64
    WM_MPLIB=FJMPI
    export WM_COMPILER_LIB_ARCH=64
    export WM_CC='gcc'
    export WM_CXX='g++'
    export WM_CFLAGS='-mabi=64 -fPIC'
    export WM_CXXFLAGS='-mabi=64 -fPIC -std=c++0x'
    export WM_LDFLAGS='-mabi=64 -G0'
    ;;

*)    # An unsupported operating system
    /bin/cat <<USAGE 1>&2

    Your "$WM_ARCH" operating system is not supported by this release
    of OpenFOAM. For further assistance, please contact https://openfoam.org

USAGE
    ;;
esac


#------------------------------------------------------------------------------

# Location of the jobControl directory
export FOAM_JOB_DIR=$WM_PROJECT_INST_DIR/jobControl

# wmake configuration
export WM_DIR=$WM_PROJECT_DIR/wmake
export WM_LINK_LANGUAGE=c++
export WM_LABEL_OPTION=Int$WM_LABEL_SIZE
export WM_OPTIONS=$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION$WM_COMPILE_OPTION

# Base executables/libraries
export FOAM_APPBIN=$WM_PROJECT_DIR/platforms/$WM_OPTIONS/bin
export FOAM_LIBBIN=$WM_PROJECT_DIR/platforms/$WM_OPTIONS/lib

# External (ThirdParty) libraries
export FOAM_EXT_LIBBIN=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/lib

# Site-specific directory
siteDir="${WM_PROJECT_SITE:-$WM_PROJECT_INST_DIR/site}"

# Shared site executables/libraries
# Similar naming convention as ~OpenFOAM expansion
export FOAM_SITE_APPBIN=$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/bin
export FOAM_SITE_LIBBIN=$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/lib

# User executables/libraries
export FOAM_USER_APPBIN=$WM_PROJECT_USER_DIR/platforms/$WM_OPTIONS/bin
export FOAM_USER_LIBBIN=$WM_PROJECT_USER_DIR/platforms/$WM_OPTIONS/lib

# DynamicCode templates
# - default location is the "~OpenFOAM/codeTemplates/dynamicCode" expansion
# export FOAM_CODE_TEMPLATES=$WM_PROJECT_DIR/etc/codeTemplates/dynamicCode

# Convenience
export FOAM_ETC=$WM_PROJECT_DIR/etc
export FOAM_APP=$WM_PROJECT_DIR/applications
export FOAM_SRC=$WM_PROJECT_DIR/src
export FOAM_TUTORIALS=$WM_PROJECT_DIR/tutorials
export FOAM_UTILITIES=$FOAM_APP/utilities
export FOAM_SOLVERS=$FOAM_APP/solvers
export FOAM_RUN=$WM_PROJECT_USER_DIR/run

# Add wmake to the path - not required for runtime-only environment
[ -d "$WM_DIR" ] && PATH=$WM_DIR:$PATH
# Add OpenFOAM scripts to the path
export PATH=$WM_PROJECT_DIR/bin:$PATH

# Add site-specific scripts to path - only if they exist
if [ -d "$siteDir/bin" ]                        # Generic
then
    _foamAddPath "$siteDir/bin"
fi
if [ -d "$siteDir/$WM_PROJECT_VERSION/bin" ]    # Version-specific
then
    _foamAddPath "$siteDir/$WM_PROJECT_VERSION/bin"
fi
unset siteDir

_foamAddPath $FOAM_USER_APPBIN:$FOAM_SITE_APPBIN:$FOAM_APPBIN
# Make sure to pick up dummy versions of external libraries last
_foamAddLib  $FOAM_USER_LIBBIN:$FOAM_SITE_LIBBIN:$FOAM_LIBBIN:$FOAM_EXT_LIBBIN:$FOAM_LIBBIN/dummy

# Compiler settings
# ~~~~~~~~~~~~~~~~~
unset gcc_version gmp_version mpfr_version mpc_version
unset MPFR_ARCH_PATH GMP_ARCH_PATH

# Location of compiler installation
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
if [ -z "$WM_COMPILER_TYPE" ]
then
    WM_COMPILER_TYPE=system
    echo "Warning in $WM_PROJECT_DIR/etc/config.sh/settings:" 1>&2
    echo "    WM_COMPILER_TYPE not set, using '$WM_COMPILER_TYPE'" 1>&2
fi

# Load configured compiler versions, regardless of the compiler type
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_foamSource `$WM_PROJECT_DIR/bin/foamEtcFile config.sh/compiler`

case "$WM_COMPILER_TYPE" in
OpenFOAM | ThirdParty)

    if [ -n "$gcc_version" ]
    then
        gccDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$gcc_version
        gmpDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$gmp_version
        mpfrDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$mpfr_version
        mpcDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$mpc_version

        # Check that the compiler directory can be found
        [ -d "$gccDir" ] || {
            echo 1>&2
            echo "Warning in $WM_PROJECT_DIR/etc/config.sh/settings:" 1>&2
            echo "    Cannot find $gccDir installation." 1>&2
            echo "    Please install this compiler version or if you wish to" \
                 " use the system compiler," 1>&2
            echo "    change the 'WM_COMPILER_TYPE' setting to 'system'" 1>&2
            echo
        }

        _foamAddMan     $gccDir/man
        _foamAddPath    $gccDir/bin

        # Add compiler libraries to run-time environment
        _foamAddLib     $gccDir/lib$WM_COMPILER_LIB_ARCH

        # Add gmp/mpfr libraries to run-time environment
        _foamAddLib     $gmpDir/lib$WM_COMPILER_LIB_ARCH
        _foamAddLib     $mpfrDir/lib$WM_COMPILER_LIB_ARCH

        # Add mpc libraries (not need for older gcc) to run-time environment
        if [ -n "$mpc_version" ]
        then
            _foamAddLib     $mpcDir/lib$WM_COMPILER_LIB_ARCH
        fi

        # Used by boost/CGAL:
        export MPFR_ARCH_PATH=$mpfrDir
        export GMP_ARCH_PATH=$gmpDir
    fi
    unset gcc_version gccDir
    unset gmp_version gmpDir  mpfr_version mpfrDir  mpc_version mpcDir

    if [ -n "$clang_version" ]
    then
        clangDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$clang_version

        # Check that the compiler directory can be found
        [ -d "$clangDir" ] || {
            echo 1>&2
            echo "Warning in $WM_PROJECT_DIR/etc/config.sh/settings:" 1>&2
            echo "    Cannot find $clangDir installation." 1>&2
            echo "    Please install this compiler version or if you wish to" \
                 " use the system compiler," 1>&2
            echo "    change the 'WM_COMPILER_TYPE' setting to 'system'" 1>&2
            echo 1>&2
        }

        _foamAddMan     $clangDir/share/man
        _foamAddPath    $clangDir/bin
    fi
    unset clang_version clangDir
    ;;
system)
    # Use system compiler
    ;;
*)
    echo "Warn: WM_COMPILER_TYPE='$WM_COMPILER_TYPE' is unsupported" 1>&2
    echo "   treating as 'system' instead" 1>&2
    ;;
esac

#------------------------------------------------------------------------------
